Pharmaron Beijing Co Ltd is a China-based company mainly engaged in pharmaceutical research and development. The Company operates through five segments. The Laboratory Services segment includes laboratory chemistry and bioscience services, covering small molecule drugs, oligonucleotides, peptides, antibodies, antibody-drug conjugates, and cell and gene therapy products. The Chemical and Formulation Process Development and Manufacturing Services segment includes active pharmaceutical ingredient process development and manufacturing, as well as preformulation and formulation development. The Clinical Research Services segment includes international and domestic clinical research services. The Large Molecule and Cell and Gene Therapy Services segment includes large molecule drug discovery, development, and manufacturing services, as well as cell and gene therapy laboratory and gene therapy drug development and manufacturing services. The Company also operates through the others segment.